final FeedConfig feedConfig = new FeedConfig.Builder(context, "YOUR_FEED_UNIT_ID")
    .autoLoadingEnabled(false) // Feed 무한 스크롤 기능 비활성화
    .build();

public class YourFeedToolbarHolder extends DefaultFeedToolbarHolder {

    @Override
    public View getView(Activity activity, @NonNull final String unitId) {
        toolbar = new FeedToolbar(activity); // PopToolbar 에서 제공하는 기본 Template 사용
        toolbar.setTitle("YourFeedToolbarHolder");
        toolbar.setIconResource(R.drawable.your_icon);
        toolbar.setBackgroundColor(YourColor(Color.parseColor("#123456"));

        addInquiryMenuItemView(activity); // 문의하기 버튼은 이 함수를 통해 간단하게 추가 가능합니다.
        addSettingsMenuItemView(activity); // 세팅 버튼은 이 함수를 통해 간단하게 추가 가능합니다.
        addRightMenuItemView1(activity); // custom 버튼 추가
        return toolbar;
    }

    // custom 버튼 추가는 DefaultMenuLayout 를 사용하여 View 를 생성하고
    // toolbar.addRightMenuButton 를 사용하여 toolbar 에 추가합니다.
    private void addRightMenuItemView1(@NonNull final Activity activity) {
        MenuLayout menuLayout = new DefaultMenuLayout(activity, R.mipmap.ic_launcher);
        menuLayout.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                showInquiry(); // showInquiry 를 호출하여 문의하기 페이지로 연결합니다.
            }
        });
        toolbar.addRightMenuButton(menuLayout);
    }
}

// AndroidManifest.xml

...

<activity
    android:name="com.buzzvil.buzzad.benefit.presentation.feed.FeedBottomSheetActivity"
    android:theme="@style/YourActivityThemeCustomActivityTheme"
    tools:replace="android:theme"/>
    
...

// your_feed_ad.xml

<com.buzzvil.buzzad.benefit.presentation.nativead.NativeAdView
    android:id="@+id/native_ad_view" ...>
    
    // MediaView와 CtaView는 NativeAdView의 하위 컴포넌트로 구현해야합니다.
    
    <LinearLayout ... >
        <com.buzzvil.buzzad.benefit.presentation.media.MediaView
            android:id="@+id/mediaView" ... />
        <TextView
            android:id="@+id/textTitle" ... />
        <TextView
            android:id="@+id/textDescription" ... />
        <ImageView
            android:id="@+id/imageIcon" ... />
        <com.buzzvil.buzzad.benefit.presentation.media.CtaView
            android:id="@+id/ctaView" ... />
    </LinearLayout>
    
</com.buzzvil.buzzad.benefit.presentation.nativead.NativeAdView>

public class YourAdsAdapter extends AdsAdapter<AdsAdapter.NativeAdViewHolder> {

    @Override
    public NativeAdViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        final LayoutInflater inflater = LayoutInflater.from(parent.getContext());
        final NativeAdView feedNativeAdView = (NativeAdView) inflater.inflate(R.layout.your_feed_ad, parent, false);
        return new NativeAdViewHolder(feedNativeAdView);
    }

    @Override
    public void onBindViewHolder(NativeAdViewHolder holder, NativeAd nativeAd) {
  @Override     public void super.onBindViewHolder(NativeAdViewHolder holder, NativeAd nativeAd) {;
        final NativeAdView view = (NativeAdView) holder.itemView;

        final Ad ad = nativeAd.getAd();
        
        // create ad component
        final MediaView mediaView = view.findViewById(R.id.mediaView);
        final TextView titleView = view.findViewById(R.id.textTitle);
        final ImageView iconView = view.findViewById(R.id.imageIcon);
        final TextView descriptionView = view.findViewById(R.id.textDescription);
        final CtaView ctaView = view.findViewById(R.id.ctaView);
        final CtaPresenter ctaPresenter = new CtaPresenter(ctaView); // CtaView should not be null

        // data binding 
        ctaPresenter.bind(nativeAd);

        if (mediaView != null) {
            mediaView.setCreative(ad.getCreative());
            mediaView.setVideoEventListener(new VideoEventListener() {
                // Override and implement methods

                @Override());
                public void onVideoStartedmediaView.setVideoEventListener(new VideoEventListener() {}
                // Override  ...생략...
and implement methods          
            });
        }
        
        if (titleView != null) {
            titleView.setText(ad.getTitle());
        }

        if (iconView != null) {
            ImageLoader.getInstance().displayImage(ad.getIconUrl(), iconView);
        }
        if (descriptionView != null) {
            descriptionView.setText(ad.getDescription());
        }

        // clickableViews에 추가된 UI 컴포넌트를 클릭하면 광고 페이지로 이동합니다.
        final Collection<View> clickableViews = new ArrayList<>();
        clickableViews.add(ctaView);
        clickableViews.add(mediaView);
        clickableViews.add(titleView);
        clickableViews.add(descriptionView);
        
        // 광고 콜백 이벤트를 수신할 수 있습니다. 
        // view.setNativeAd 보다 전에 호출해야 합니다.
        view.addOnNativeAdEventListener(new NativeAdView.OnNativeAdEventListener() {
            
            @Override
            public void onImpressed(final @NonNull NativeAdView view, final @NonNull NativeAd nativeAd) {

            }

            @Override
            public void onClicked(@NonNull NativeAdView view, @NonNull NativeAd nativeAd) {
                ctaPresenter.bind(nativeAd);
            }

            @Override
            public void onRewardRequested(@NonNull NativeAdView view, @NonNull NativeAd nativeAd) {

            }

            @Override
            public void onRewarded(@NonNull NativeAdView nativeAdView, @NonNull NativeAd nativeAd, @Nullable RewardResult rewardResult) {

            }

            @Override
            public void onParticipated(final @NonNull NativeAdView view, final @NonNull NativeAd nativeAd) {
                ctaPresenter.bind(nativeAd);
            }
        });
        
        view.setMediaView(mediaView);
        view.setClickableViews(clickableViews);
        view.setNativeAd(nativeAd);
    }
}

public class YourCPSAdsAdapter extends AdsAdapter<AdsAdapter.NativeAdViewHolder> {

    @Override
    public NativeAdViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        final LayoutInflater inflater = LayoutInflater.from(parent.getContext());
        final NativeAdView feedNativeAdView = (NativeAdView) inflater.inflate(R.layout.your_feed_ad_cps, parent, false);
        return new NativeAdViewHolder(feedNativeAdView);
    }

    @Override
    public void onBindViewHolder(NativeAdViewHolder holder, NativeAd nativeAd) {
        super.onBindViewHolder(holder, nativeAd);
        
        final NativeAdView view = (NativeAdView) holder.itemView;
        final Ad ad = nativeAd.getAd();
        
        // create ad component
        // ...생략...
        final TextView priceText = view.findViewById(R.id.discountedPriceText);
        final TextView originalPriceText = view.findViewById(R.id.originalPriceText);
        final TextView discountPercentageText = view.findViewById(R.id.discountPercentageText);
        final TextView categoryText = view.findViewById(R.id.categoryText);

        // data binding 
        // ...생략...
        final Product product = ad.getProduct();
        if (product != null) {
            if (product.getDiscountedPrice() != null) {
                // 할인이 있는 쇼핑 광고
                originalPriceText.setPaintFlags(originalPriceText.getPaintFlags() | Paint.STRIKE_THRU_TEXT_FLAG);
                int percentage = 0;
                if (product.getPrice() > product.getDiscountedPrice()) {
                    percentage = Math.round(((product.getPrice() - product.getDiscountedPrice()) / product.getPrice() * 100));
                }
                if (percentage > 0) {
                    priceText.setText(getCommaSeparatedPrice(product.getDiscountedPrice().longValue()));
                    originalPriceText.setText(getCommaSeparatedPrice((long) product.getPrice()));
                    discountPercentageText.setText(String.format(Locale.ROOT, "%d%%", percentage));
                    discountPercentageText.setVisibility(View.VISIBLE);
                } else {
                    priceText.setText(getCommaSeparatedPrice((long) product.getPrice()));
                    originalPriceText.setText("");
                    discountPercentageText.setVisibility(View.GONE);
                }
            } else {
                // 할인이 없는 쇼핑 광고
                priceText.setText(getCommaSeparatedPrice((long) product.getPrice()));
                originalPriceText.setText("");
                discountPercentageText.setVisibility(View.GONE);
            }
            categoryText.setText(product.getCategory());
            if (!TextUtils.isEmpty(product.getCategory())) {
                categoryText.setVisibility(View.VISIBLE);
            }
        }

        final Collection<View> clickableViews = new ArrayList<>();
        clickableViews.add(ctaView);
        clickableViews.add(mediaView);
        clickableViews.add(descriptionView);
        
        // ...생략...
        
        view.setMediaView(mediaView);
        view.setClickableViews(clickableViews);
        view.setNativeAd(nativeAd);
        
       
    }

    private String getCommaSeparatedPrice (long price){
        return String.format(Locale.getDefault(), "₩%,d", price);
    }
}